Deciding whether to get an MBA can be a tough decision. On one hand, business school is a big investment of time and money. On the other, an MBA opens doors to new job opportunities and increased earning potential.

So, how do you know if an MBA is right for you?

Like any good businessperson, you need to look at facts and figures. Check out this infographic for key stats on business school’s potential ROI. Compare lifetime earnings for people with MBAs and those without, learn about the pros and cons of Executive MBA programs, and check out reasons other aspiring b-school students cited for going back to school.

Or, if numbers aren’t your thing (good luck in b-school if that’s the case), you could always make your decision based on the famous people featured in the infographic. Are you more into sneakers (Phil Knight, Stanford MBA/Nike founder) or books (Jeff Bezos, no MBA/Amazon.com founder)? Cosmetics (Mary Kay Ash, no MBA/Mary Kay Cosmetics founder), or controversial foreign policy (George W. Bush, Harvard MBA/Former U.S. President)?